The carbon skeleton for amino acids derives from 3-phosphoglycerate, phosphophenolpyruvate, or pyruvate generated during glycolysis, or from 2-oxoglutarate or oxaloacetate generated in the citric acid cycle (Figure 13.8).
"Plant Physiology and Development" int'l 6e - Taiz, L., Zeiger, E., Møller, I.M., Murphy, A.








